Question

write down the various sources ,acid and base

Answer 1

Acid:
spinach,lemon, other vegetables
Base:
soap water,etc 
For example, vinegar in salad dressing is acetic acid, oranges and lemons containcitric acid, and apples contain malic acid. Vitamin C is an acid, ascorbic acid. Bases are also found in common household products. Bases can be very strongand dangerous, or weak and safer for use around the house.